#include "ImgPF.h"

static L_BOOL RevEftDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID RevEftDlg_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT CodeNotify);
static L_VOID RevEftDlg_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT uCode, L_INT nPos);
static L_VOID RevEftDlg_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID L_ApplyFilter          (HWND hWnd);

L_BOOL CALLBACK RevDlgProc(HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG(hWnd, WM_INITDIALOG, RevEftDlg_OnInitDialog);
      HANDLE_MSG(hWnd, WM_COMMAND,    RevEftDlg_OnCommand);
      HANDLE_MSG(hWnd, WM_HSCROLL,    RevEftDlg_OnHScroll);
      HANDLE_MSG(hWnd, WM_TIMER,      RevEftDlg_OnTimer);

   case WM_USER_UPDATEVIEW:
      StatusProc.ProgressValue = 100;
      L_ApplyFilter(hWnd);
      break;
   }
   return FALSE;
}

static L_BOOL RevEftDlg_OnInitDialog(HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPREVEFTDLGDATA pRevDlgData;
   pCHILDDATA      pData;
   HWND            hWndParent;
   L_INT           nSlider;
   L_INT           nRangeMax[] = {0, 0};
   L_INT           nRangeMin[] = {0, 0};
   L_INT           nPosInit [] = {7, 35};
   RECT            rcRgn;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA(hWndParent);
   pRevDlgData = (LPREVEFTDLGDATA)lParam;
   MoveDialogToMiddle(hWnd);

   StatusProc.bProgress     = TRUE;
   StatusProc.bInvalidate   = FALSE;
   StatusProc.bEnd          = FALSE;
   StatusProc.DlgWnd        = hWnd;
   StatusProc.ProgressValue = 100;
   StatusProc.ProgWnd       = GetDlgItem(hWnd, IDC_REV_PROG);

   Progress_SetRange(StatusProc.ProgWnd, 0, 100);
   Progress_SetPos(StatusProc.ProgWnd, 0);

   MemorizeAndCopyBitmap(hWndParent, &pRevDlgData->LeadBitmap);

   L_GetBitmapRgnBounds(&pData->LeadBitmap, NULL, &rcRgn);
   
   pRevDlgData->nSldBaseID     = IDC_REV_LNSPC_SLD;
   pRevDlgData->nEdtBaseID     = IDC_REV_LNSPC_EDT;
   pRevDlgData->nSlideNum      = 2;
   pRevDlgData->uLineSpace     = nPosInit[0];
   pRevDlgData->uMaximumHeight = nPosInit[1];
   nRangeMax[0]                =  
   nRangeMax[1]                = rcRgn.bottom - rcRgn.top;
   
   SetWindowLong(hWnd, GWL_USERDATA, (long)pRevDlgData);

   for (nSlider = 0; nSlider < pRevDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetTheRange(GetDlgItem(hWnd, pRevDlgData->nSldBaseID + nSlider), TRUE, nRangeMin[nSlider], nRangeMax[nSlider]);
      SetDlgItemInt(hWnd, pRevDlgData->nEdtBaseID + nSlider, nPosInit[nSlider], TRUE);
   }

   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   ShowWindow(hWnd, SW_SHOW);
   UpdateWindow(hWnd);
   L_ApplyFilter(hWnd);
   return TRUE;
}

static L_VOID RevEftDlg_OnTimer        (HWND hWnd, L_INT nID)
{
   Dialog_Timer(nID);
}

static L_VOID RevEftDlg_OnCommand(HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   LPREVEFTDLGDATA pRevDlgData;
   L_INT           nValue;
   pCHILDDATA      pData;
   HWND            hWndParent;
   L_INT           nRangeMax[] = {0, 0};
   L_INT           nRangeMin[] = {0, 0};
   L_INT           nIndex;
   RECT            rcRgn;

   pRevDlgData  = (LPREVEFTDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   hWndParent   = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData        = LOCKCHILDDATA (hWndParent);

   L_GetBitmapRgnBounds(&pData->LeadBitmap, NULL, &rcRgn);
   nRangeMax[0] =  
   nRangeMax[1] = rcRgn.bottom - rcRgn.top;

   switch (nID)
   {

   case IDCANCEL:
      StatusProc.bProgress = FALSE;
      StatusProc.bKillProgress = TRUE ;
      StatusProc.ProgressValue = 100 ;
      EndDialog(hWnd, FALSE);
      break;

   case IDOK:
      ShowStatusWindow(FALSE);
      StatusProc.bStillWork  = TRUE;
      StatusProc.bInvalidate = TRUE;
      StatusProc.bEnd = TRUE;
      EndDialog(hWnd, TRUE);
      break;
   }

   if (nID >= pRevDlgData->nEdtBaseID && nID < pRevDlgData->nEdtBaseID + pRevDlgData->nSlideNum)
   {
      if ((uCodeNotify == EN_CHANGE))
      {
         nValue = GetDlgItemInt(hWnd, nID, NULL, TRUE);
         nIndex = nID - pRevDlgData->nEdtBaseID;

         Trackbar_SetPos(GetDlgItem(hWnd, pRevDlgData->nSldBaseID + nIndex), TRUE, nValue);
         
         switch(nIndex)
         {
         case 0:
            if ((L_INT)pRevDlgData->uLineSpace == nValue)
               return;
            pRevDlgData->uLineSpace = nValue;
            break;
         case 1:
            if ((L_INT)pRevDlgData->uMaximumHeight == nValue)
               return;
             pRevDlgData->uMaximumHeight = nValue;
            break;
         }
         L_ApplyFilter(hWnd);
      }
   }
}

static L_VOID RevEftDlg_OnHScroll (HWND hWnd, HWND hWndCtl, L_UINT uCode, L_INT nPos)
{
   LPREVEFTDLGDATA pRevDlgData = (LPREVEFTDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   SetDlgItemInt(hWnd, GetDlgCtrlID(hWndCtl) - pRevDlgData->nSlideNum , Trackbar_GetPos(hWndCtl), TRUE);
}

static L_VOID L_ApplyFilter(HWND hWnd)
{
   pCHILDDATA      pData;
   L_INT           nRet = 0;
   HWND            hWndParent;
   LPREVEFTDLGDATA pRevDlgData;

   if ( 100 != StatusProc.ProgressValue )
   {
      StatusProc.bKillProgress = TRUE ;
      return ;
   }

   pRevDlgData = (LPREVEFTDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

   FreeMemorizedBitmap (hWndParent); //MEMDISK//
   L_CopyBitmap(&pData->LeadBitmap, &pRevDlgData->LeadBitmap, sizeof(BITMAPHANDLE));

   nRet = L_RevEffectBitmap(&pData->LeadBitmap,
                             pRevDlgData->uLineSpace,
                             pRevDlgData->uMaximumHeight);

   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}